Moderna CEO says fourth COVID-19 shot could be necessary

The CEO of Moderna says that a fourth coronavirus vaccine shot may soon be necessary due to declining efficacy of booster shots: "I still believe we’re going to need boosters in the fall of ’22 and forward," CEO Stephane Bancel said. "This virus is not going away. We’re going to have to live with it."

The CDC's new quarantine guidelines, simplified

Dr. Michael Teng at the University of South Florida said this about how to take the new guidance: “It is really essential to understand that even though the CDC is letting you out of quarantine or isolation, they still think you’re going to be infectious and can transmit the virus."

Fauci: US should consider vaccine mandate for US air travel

Dr. Anthony Fauci, the top U.S. infectious disease expert, said the U.S. should consider a vaccination mandate for domestic air travel, signaling a potential embrace of an idea the Biden administration has previously eschewed, as COVID-19 cases spike.